// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/playback/clip_display_item.h"

#include <stddef.h>

#include <string>

#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/trace_event/trace_event_argument.h"
// #include "cc/proto/display_item.pb.h"
// #include "cc/proto/gfx_conversions.h"
// #include "cc/proto/skia_conversions.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "ui/gfx/skia_util.h"

namespace cc {
class ImageSerializationProcessor;

ClipDisplayItem::ClipDisplayItem(const gfx::Rect& clip_rect,
    const std::vector<SkRRect>& rounded_clip_rects,
    bool antialias)
    : DisplayItem(CLIP)
{
    SetNew(clip_rect, rounded_clip_rects, antialias);
}

ClipDisplayItem::ClipDisplayItem(const proto::DisplayItem& proto)
    : DisplayItem(CLIP)
{
    //   DCHECK_EQ(proto::DisplayItem::Type_Clip, proto.type());
    //
    //   const proto::ClipDisplayItem& details = proto.clip_item();
    //   gfx::Rect clip_rect = ProtoToRect(details.clip_rect());
    //   std::vector<SkRRect> rounded_clip_rects;
    //   rounded_clip_rects.reserve(details.rounded_rects_size());
    //   for (int i = 0; i < details.rounded_rects_size(); i++) {
    //     rounded_clip_rects.push_back(ProtoToSkRRect(details.rounded_rects(i)));
    //   }
    //   bool antialias = details.antialias();
    //   SetNew(clip_rect, rounded_clip_rects, antialias);
}

void ClipDisplayItem::SetNew(const gfx::Rect& clip_rect,
    const std::vector<SkRRect>& rounded_clip_rects,
    bool antialias)
{
    clip_rect_ = clip_rect;
    rounded_clip_rects_ = rounded_clip_rects;
    antialias_ = antialias;
}

ClipDisplayItem::~ClipDisplayItem() { }

void ClipDisplayItem::ToProtobuf(proto::DisplayItem* proto) const
{
    //   proto->set_type(proto::DisplayItem::Type_Clip);
    //
    //   proto::ClipDisplayItem* details = proto->mutable_clip_item();
    //   RectToProto(clip_rect_, details->mutable_clip_rect());
    //   DCHECK_EQ(0, details->rounded_rects_size());
    //   for (const auto& rrect : rounded_clip_rects_) {
    //     SkRRectToProto(rrect, details->add_rounded_rects());
    //   }
    //   details->set_antialias(antialias_);
}

void ClipDisplayItem::Raster(SkCanvas* canvas,
    SkPicture::AbortCallback* callback) const
{
    canvas->save();
    canvas->clipRect(gfx::RectToSkRect(clip_rect_), SkRegion::kIntersect_Op, antialias_);
    for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) {
        if (rounded_clip_rects_[i].isRect()) {
            canvas->clipRect(rounded_clip_rects_[i].rect(), SkRegion::kIntersect_Op, antialias_);
        } else {
            canvas->clipRRect(rounded_clip_rects_[i], SkRegion::kIntersect_Op, antialias_);
        }
    }
}

void ClipDisplayItem::AsValueInto(const gfx::Rect& visual_rect,
    base::trace_event::TracedValue* array) const
{
    std::string value = base::StringPrintf(
        "ClipDisplayItem rect: [%s] visualRect: [%s]",
        clip_rect_.ToString().c_str(), visual_rect.ToString().c_str());
    for (const SkRRect& rounded_rect : rounded_clip_rects_) {
        base::StringAppendF(
            &value, " rounded_rect: [rect: [%s]",
            gfx::SkRectToRectF(rounded_rect.rect()).ToString().c_str());
        base::StringAppendF(&value, " radii: [");
        SkVector upper_left_radius = rounded_rect.radii(SkRRect::kUpperLeft_Corner);
        base::StringAppendF(&value, "[%f,%f],", upper_left_radius.x(),
            upper_left_radius.y());
        SkVector upper_right_radius = rounded_rect.radii(SkRRect::kUpperRight_Corner);
        base::StringAppendF(&value, " [%f,%f],", upper_right_radius.x(),
            upper_right_radius.y());
        SkVector lower_right_radius = rounded_rect.radii(SkRRect::kLowerRight_Corner);
        base::StringAppendF(&value, " [%f,%f],", lower_right_radius.x(),
            lower_right_radius.y());
        SkVector lower_left_radius = rounded_rect.radii(SkRRect::kLowerLeft_Corner);
        base::StringAppendF(&value, " [%f,%f]]", lower_left_radius.x(),
            lower_left_radius.y());
    }
    array->AppendString(value);
}

EndClipDisplayItem::EndClipDisplayItem()
    : DisplayItem(END_CLIP)
{
}

EndClipDisplayItem::EndClipDisplayItem(const proto::DisplayItem& proto)
    : DisplayItem(END_CLIP)
{
    //  DCHECK_EQ(proto::DisplayItem::Type_EndClip, proto.type());
}

EndClipDisplayItem::~EndClipDisplayItem()
{
}

void EndClipDisplayItem::ToProtobuf(proto::DisplayItem* proto) const
{
    //proto->set_type(proto::DisplayItem::Type_EndClip);
}

void EndClipDisplayItem::Raster(SkCanvas* canvas,
    SkPicture::AbortCallback* callback) const
{
    canvas->restore();
}

void EndClipDisplayItem::AsValueInto(
    const gfx::Rect& visual_rect,
    base::trace_event::TracedValue* array) const
{
    array->AppendString(base::StringPrintf("EndClipDisplayItem visualRect: [%s]",
        visual_rect.ToString().c_str()));
}

} // namespace cc
